By Herp News
Douglas McCauley began his career as a fisherman but later transitioned to marine science. He now serves as an Assistant Professor at the University of California, Santa Barbara and a Sloan Research Fellow in the Ocean Sciences. McCauley studies how marine ecosystems function and what management practices best support ocean health. Earlier this year, he and several colleagues reviewed the past and future of marine life in the global oceans. Aquaculture for rearing salmon in the Faroe Islands. Photo courtesy of Erik Christensen. 1. The end of wild fish? For the first year in history, the people of the world ate more farmed-raised fish than wild fish, according to a report by the U.N. Food and Agriculture Organization. On land, the balance between the consumption of wild meat and farmed meat shifted thousands of years ago in most areas. Caution is needed to ensure that this new shift doesn’t mean that the oceans lose their capacity to serve up free-range fish for dinner, as happened long ago in many of our forests, prairies, and savannas. 2. Undersea gold rush In 2015 companies staked mining claims in more than 1 million square kilometers of deep-sea ecosystems in international waters. Contractors from countries like China, India, the United Kingdom, the Cook Islands, and Russia participated in the rush to claim areas from which they hope to extract gold, manganese, copper, and rare earth metals. This year a group of international scientists called for a halt…
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